refactor(Cypress): add nodemodules

node_modules/is-generator/is-generator.js

@@ -0,0 +1,29 @@
+/**
+ * Export generator function checks.
+ */
+module.exports = isGenerator
+module.exports.fn = isGeneratorFunction
+
+/**
+ * Check whether an object is a generator.
+ *
+ * @param  {Object}  obj
+ * @return {Boolean}
+ */
+function isGenerator (obj) {
+  return obj &&
+    typeof obj.next === 'function' &&
+    typeof obj.throw === 'function'
+}
+
+/**
+ * Check whether a function is generator.
+ *
+ * @param  {Function} fn
+ * @return {Boolean}
+ */
+function isGeneratorFunction (fn) {
+  return typeof fn === 'function' &&
+    fn.constructor &&
+    fn.constructor.name === 'GeneratorFunction'
+}